<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
  <head>
    <title>Test</title>
    <meta charset="UTF-8"/>
  </head>
  <body>
    <math xmlns="http://www.w3.org/1998/Math/MathML">
      <semantics>
        <mfrac>
          <msqrt>
            <mtext>a</mtext>
          </msqrt>
          <mi>b</mi>
        </mfrac>
        <annotation-xml encoding="SVG1.1" name="alternate-representation">
          <svg viewBox="0 0 1200 400" xmlns="http://www.w3.org/2000/svg" version="1.1">
            <title>Test</title>
            <desc>Rectangle</desc>
            <rect x="10" y="20" width="75" height="30" style="stroke: #333366; fill: #6666cc"/>
          </svg>
          
        </annotation-xml>
      </semantics>
    </math>
  </body>
</html>
